Questions and answers by

Abbey

Questions (118)

Compare the tactics used by the French troops in the French and Indian war with those if the American patriots during the
1. 0 answers
2. 512 views
Can't be right quiz connections academy 8th grade.Help me I don't know how to find the leg of a shape
1. 1 answer
2. 486 views
The vapor pressure of liquid chloroform, CHCl3, is 400.0 torr at 24.1°C and 100.0 torr at -6.3°C. What is ΔHvap (in the unit
1. 1 answer
2. 2,231 views
How much work is required to lift a bag of wheat (mass 50kg) to a height of 2.4m?
1. 2 answers
2. 679 views
A steam-electric power plant delivers 900 MW of electric power. The surplus heat is exhausted into a river with a flow of
1. 2 answers
2. 799 views
The sides of two similar trapezoids are in a ratio of 1:3. The area of the smaller trapezoid is 12 inches squared. Find the area
1. 1 answer
2. 3,500 views
2.A newspaper started an online version of its paper 14 years ago. In a recent presentation to stockholders, the lead marketing
1. 3 answers
2. 3,374 views
find the slope of (3,4) (6, -2)
1. 3 answers
2. 365 views
Emily receives her paycheck. She spends 1/6 on food. She spends 3/5 of remaining amount on house payment. She spends 1/3 of what
1. 1 answer
2. 2,140 views
I need help on my math the question is make up a set of at least 12 numbers that have the following landmarks with maximum:8
1. 1 answer
2. 451 views
Question: over the last year, stormy and her 2 sisters saved money for their family trip this summer. They are now getting right
1. 5 answers
2. 608 views
Q. Coles sleeping bag has four sides. The side with the zipper is parallel to the opposite side. None of the angles where the
1. 3 answers
2. 987 views
Q. Tim and Jorge hope they will be assigned to the same cabin at the summer camp. Each cabin has 8 beds in it. And Tim knows
1. 2 answers
2. 1,010 views
Let x and y be the amounts of time (in minutes) that a particular commuter must wait for a train on two independently selected
1. 1 answer
2. 799 views
Describe the role of the Quakers, Puritans, and Indians and how each of these groups felt about these leading nations. (By
1. 1 answer
2. 697 views
For a carbon atom that is sp2 hybridized, I understand that the electron configuration would be Yes, 1s2 2s1 2p3 which is a 2s
1. 2 answers
2. 2,300 views
I am having trouble figuring out the electron configuration for a carbon atom when it is in a molecule such as methane. I know
1. 5 answers
2. 1,196 views
If we take a sample of 2400 families with five children,a) what is the probability that a family will have exactly 2 girls? b)
1. 1 answer
2. 551 views
If the ratio of the areas of two similar hexagons is 4:49, find the ratio of their apothems
1. 1 answer
2. 742 views
Why did The Aquarius lose its funding from the NOAA?
1. 1 answer
2. 404 views
When determining the vapor pressure of water, the bubble volume is 1.2mL at 5 degrees celsius.-How many moles of dry air were in
1. 0 answers
2. 541 views
When determining the vapor pressure of water, the bubble volume is 1.2mL at 5 degrees celsius.-How many moles of dry air were in
1. 0 answers
2. 564 views
When determining the vapor pressure of water, the bubble volume is 1.2mL at 5 degrees celsius.-How many moles of dry air were in
1. 0 answers
2. 1,002 views
We finally reached Enkhuizen, an ancient harbor town, where the brisk wind from the sea was blowing so hard that we had to hold
1. 2 answers
2. 541 views
Which of the following groups of words in bold is nonrestrictive and should therefore be set off with commas in the sentenceMy
1. 3 answers
2. 577 views
Choose the option that corrects the sentence below. If the sentence is correct, select “d. The sentence is correct.”Commande
1. 7 answers
2. 744 views
add the comma to the sentenceAs they studied the film they noticed some rules of science at work i wrote mine like this As they
1. 2 answers
2. 535 views
A pyramid has a height of 5 in. and a surface area of 90 in2. Find the surface area of a similar pyramid with a height of 10 in.
1. 2 answers
2. 1,981 views
ind the radius of a sphere with a surface area of 804 cm2
1. 3 answers
2. 2,149 views
Find the lateral area of a cone with a radius of 7 ft. and a slant height of 13 ft. Use 3.14 for ð and round to the nearest
1. 28 answers
2. 5,812 views
What is convection?
1. 1 answer
2. 455 views
What units of measurement do you use to measure the earth to...1. Moon 2. Galaxy 3. Sun 4. Communication satellite 5. Pluto 6.
1. 2 answers
2. 764 views
How fast must the ball rolled along the surface of a 70cm high table so that when it roll off the edge it will strike the floor
1. 2 answers
2. 1,444 views
Pls sir, kindly send the solution to my email. thanks.1)A boat propelled so as to travelled with a speed of 0.50m/s in still
1. 0 answers
2. 575 views
1.Using the principle of inclusion-exclusion find the numbers of integers between 1 and 1000 (inclusive)that are divisible by at
1. 0 answers
2. 731 views
Find all solutions to the equation in the interval [0,2pi)Cosx-cos2x
1. 2 answers
2. 886 views
Cos(pi/12) solve using half angle formula
1. 1 answer
2. 2,085 views
solve for x in the following equations:1) sin(arcsin x) = 1 2) 2arcsin x = 1 3) cos(arccos x) = 1/3
1. 3 answers
2. 623 views
60 - (15)(2)/3
1. 1 answer
2. 292 views
Why must one say classe de francais, for french class, and not classe francaise? How does one know when to use de in a
1. 1 answer
2. 550 views
Test for symmetry with respect to Q=pi/2, the polar axis, and the pole.r=6 sinQ I know I have to replace (r,Q) with (r,pi-Q)
1. 0 answers
2. 601 views
Test for symmetry with repsect to Q=pi/2, the polar axis, and the pole.r=16cos 3Q r=16cos(3pi/3 + 3h) = 16(cos3pi/2 3h- sin
1. 0 answers
2. 691 views
Use a graphing utility to graph the function. Then use the trace or table feature to identify the limit.lim 5/x-2 x-->2 I know I
1. 0 answers
2. 954 views
Find an equation of the parabola.vertex:(-1,2) focus:(-1,0) (x+1)^2 = 4p(y-2) (x+1)^2 = 0(y-2) (x+1)^2 = (y-2) Correct?
1. 0 answers
2. 402 views
Find the vertex, focus and directrix of the parabola.4x - y^2 - 2y - 33 = 0 y^2+2y+1 = -4x+33+1 (y+1)^2 = -4(x+8.5)
1. 1 answer
2. 1,524 views
Eliminate the parameter and write the corresponding rectangular equation whose graph represents the curve.x = sec Q y = cos Q
1. 1 answer
2. 1,194 views
For the function x^2 + 2x - 4 ,find lim f(h+4) - f(4) / h h-->0
1. 1 answer
2. 495 views
Test for symmetry with respect to Q=pi/2 , the polar axis and the pole.r = 16 cos3Q Please explain. I do not know how to do
1. 1 answer
2. 964 views
Projectile motion: Let's suppose you throw a ball straight up with an initial speed of 50 feet per second from a height of feet.
1. 2 answers
2. 1,273 views
Projectile motion: Let's suppose you throw a ball straight up with an initial speed of 50 feet per second from a height of feet.
1. 1 answer
2. 686 views
Eliminate the parameter and write the corresponding rectangular equation whose graph represents the curve.x = secQ Y = tanQ
1. 1 answer
2. 638 views
Eliminate the parameter and write the corresponding rectangular equation whose graph represents the curve.x = sqrt t y = 1 - t
1. 2 answers
2. 1,154 views
Eliminate the parameter and write the corresponding rectangular equation whose graph represents the curve.x = sqrt t y = 1 - t
1. 1 answer
2. 653 views
I am trying to find the standard form of this equation for an ellipse.9x^2 + 4y^2 - 36x + 8y + 31 = 0 First I grouped the x and
1. 2 answers
2. 682 views
Find an equation for the ellipse.center:(3,2) a=3c Foci:(1,2)(5,2) h=3 k=2 I do not know where to start.
1. 1 answer
2. 2,202 views
I am trying to find the standard form of this equation for an ellipse.9x^2 + 4y^2 - 36x + 8y + 31 = 0 First I grouped the x and
1. 0 answers
2. 962 views
A boat is sailing due east parallel to the shoreline at a speed of 10 miles per hour. At a given time the bearing to the
1. 2 answers
2. 7,945 views
I need to show that the right side equals the left side but I am having a little trouble simplifying.k(2k+1) +(4(k+1)-1) =
1. 2 answers
2. 929 views
I need to show that the right side equals the left side but I am having a little trouble simplifying.k(2k+1) +(4(k+1)-1) =
1. 1 answer
2. 473 views
The lesson that I am working on is called mathematical induction. The only problem is that the lesson was not explained very
1. 2 answers
2. 668 views
Use the given information to solve the triangle. If two solutions exists, find both.A=110 degrees a=125 b=100 a is greater than
1. 2 answers
2. 589 views
Use the given information to solve the triangle. If two solutions exists, find both.A=110 degrees a=125 b=100 a is greater than
1. 0 answers
2. 569 views
Use the given information to solve the triangle. If two solutions exists, find both.A=110 degrees a=125 b=100 a is greater than
1. 0 answers
2. 471 views
Find the areaof the triangle having the indicated sides and angle.B = 72 degrees 30' a = 105 c = 64
1. 2 answers
2. 672 views
1) Write the first five temrs of the geometric sequencea1 = 2 r=sqrt3 I know the first term is 2 but the sqrt 3 threw me off so
1. 2 answers
2. 1,081 views
1) Write the first five temrs of the geometric sequencea1 = 2 r=sqrt3 I know the first term is 2 but the sqrt 3 threw me off so
1. 3 answers
2. 788 views
Find the length of v.Inital point of v = (1,-3,4) Terminal point of v = (1,2,-2) Please help. I am not sure how to start! Thank
1. 1 answer
2. 463 views
Find the length of v.Inital point of v = (1,-3,4) Terminal point of v = (1,2,-2) Please help. I am not sure how to start! Thank
1. 2 answers
2. 438 views
Find the area of the parallelogram that has the vectors as adjacent sides.u = i + 2j + 2k V = i + k I know that the magnitude of
1. 1 answer
2. 575 views
Find the cross product of the unit vectors.j X k My answer was -i. Am I correct?
1. 1 answer
2. 1,469 views
Find the length of v.Inital point of v = (1,-3,4) Terminal point of v = (1,2,-2) Please help. I am not sure how to start! Thank
1. 0 answers
2. 466 views
Determine two coterminal angles (one positive and one negative) for the given angle. Give your answer in radians.A) 8pi/9 B)
1. 0 answers
2. 1,348 views
Determine two coterminal angles (one positive and one negative) for the given angle. Give your answer in radians.A) 8pi/9 B)
1. 0 answers
2. 662 views
Use synthetic division to show that x is a solution of the third-degree polynomial equation, and use the result to factor the
1. 1 answer
2. 851 views
Express the function in the formf(x) = (x-k)q(x) + r for the given value of k. f(x) = 15x^4 + 10x^3 - 6x^2 + 14 Value of k =
1. 5 answers
2. 2,459 views
What is the major source of free oxygen in the atmosphere?Would it be trees?
1. 0 answers
2. 469 views
which geologic era had the shorest time span and the longest time span?1) Longest = paleozoic 20 shortest = cenozoic Is this
1. 0 answers
2. 556 views
What is the primary basis for differentiating the Eras?
1. 2 answers
2. 757 views
divide by long division.divide x^3 + 4x^2 - 3x - 12 by x^2 - 3
1. 2 answers
2. 575 views
solve for rThere is a right triangle with the hypotenuse as r , the angle as 45 degrees and opposite side as 20. I am having a
1. 1 answer
2. 482 views
g(x) = (3/2)^x+2I need to find the intercepts. My teacher told me to press trace on my graphing calculator to find them. I got x
1. 1 answer
2. 472 views
Find the values of Q in degrees and radians without the aid of a calculator.a) cotQ = sqrt 3 / 3 b) secQ = sqrt2
1. 1 answer
2. 993 views
evaluate the trigonometric functions by memory or by constructing appropriate triangles for the given special angles.a) csc 30
1. 1 answer
2. 932 views
use trigonometric identities to transform one side of the equation into the other.cos Q sec Q = 1
1. 1 answer
2. 717 views
Identify the vertex, intercepts, and zeros of the function.g(x) = x^2 + 8x + 11 Please help!!
1. 1 answer
2. 530 views
Identify the vertex, intercepts, and zeros of the function.g(x) = x^2 + 8x + 11 Please help!!
1. 0 answers
2. 396 views
Find the quadratic function that has the indicated vertex and whose graph passes through the given point.Vertex: (2,3) Point:
1. 1 answer
2. 613 views
Find the quadratic function that has the indicated vertex and whose graph passes through the given point.Vertex: (2,3) Point:
1. 1 answer
2. 1,281 views
Find the exact sine value of the angle in standard position whose terminal side goes through the point (-1,5)I do not know when
1. 0 answers
2. 847 views
Find the maximum value off(x) = -2x^2 + 12x - 14 Do i have to set this equal to o to solve?
1. 1 answer
2. 1,156 views
2) Use the sum and difference identitessin[x + pi/4] + sin[x-pi/4] = -1 sinx cospi/4 + cosxsin pi/4 + sinx cos pi/4 - cosx sin
1. 1 answer
2. 785 views
1)tan Q = -3/4 Find cosQ-3^2 + 4^2 = x^2 9+16 = sqrt 25 = 5 cos = ad/hy = -4/5 Am I correct? 2) Use the sum and difference
1. 1 answer
2. 812 views
sqrt2 /10Do I just leave this as sqrt2/10 or can I reduce it to sqrt1/5?
1. 1 answer
2. 445 views
sqrt2 /10Do I just leave this as sqrt2/10 or can I reduce it to sqrt1/5?
1. 1 answer
2. 390 views
Approximate the equation's solutions in the interval (0,2pi)sin2x sinx = cosx 2cos(x) (1/2-sin^2x) = 0 Then I got 3pi/2, pi/2,
1. 2 answers
2. 966 views
Complete the identitysecQ - 1/secQ = secQ Is this correct?
1. 1 answer
2. 334 views
1) Solve the equation exactly for x:log3 x - log3(x-3) = 2 I got 1 as an answer. Is this correct? 2) Find the cotangent of the
1. 1 answer
2. 516 views
1)Complete the identitysec Q - 1/sec Q Does this equal -2tan^2Q?
1. 0 answers
2. 391 views
1) Use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the angle.67 degrees 30'
1. 1 answer
2. 725 views
A bullet with mass 0.40 kg is fired with an initial velocity of 400 m/s from a gun with mass 5.0 kg. The speed of the reoil of
1. 1 answer
2. 1,120 views